You can change advanced vSphere distributed switch settings such as Cisco Discovery Protocol and the maximum MTU for the vSphere distributed switch.


  • Open a vSphere Client connection to a vCenter Server.
  • Verify that you have sufficient permissions to edit a distributed switch.


  1. Log in to the vSphere Client and select the Networking inventory view.
  2. Right-click the vSphere distributed switch in the inventory pane, and select Edit Settings.
  3. Select Advanced to edit the following vSphere distributed switch settings.
    Option Description
    Maximum MTU Maximum MTU size for the vSphere distributed switch.
    Discovery Protocol Status Choose the status for discovery protocol on the vSphere distributed switch.
    • Enabled. Enabled discovery protocol for the vSphere distributed switch.
      1. Select Cisco Discovery Protocol or Link Layer Discovery Protocol from the Type drop-down menu.
      2. Set Operation to Listen, Advertise, or Both.
    • Disabled.
    Admin Contact Info Enter the Name and Other Details for the vSphere distributed switch administrator.
  4. Click OK.